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S5700 Series Switches Hardware Description

This document provides an overall description of the S5700 hardware, helping you obtain detailed information about each chassis, card, power module, fan module, cable, and optical module.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
240 W AC Power Module

240 W AC Power Module

Product Support

Table 5-21 lists the switch models supporting a 240 W AC power module.

Table 5-21 Product support for a 240 W AC power module

Power Module Name

Product Support

PAC240S56-CN

S5720I-12X-PWH-SI-DC

Appearance

Figure 5-15 Appearance of a 240 W AC power module

Function

Table 5-22 describes the functions of a 240 W AC power module.

Table 5-22 Functions of a 240 W AC power module

Function

Description

System power supply and PoE power supply

The power module supports a maximum of 20 W system power and 220 W PoE power.

Input protection

The power module provides protection against input overvoltage, input undervoltage, and input overcurrent.

Output protection

The power module provides protection against output overvoltage, overcurrent, and short-circuit.

Overtemperature protection

When the temperature of the power module exceeds a specified threshold, the power module stops supplying power. When the temperature falls into the normal range, the power module automatically resumes power supply.

Panel

Figure 5-16 Panel of a 240 W AC power module
Table 5-23 Description of the panel of a 240 W AC power module
No.

Name

Description

1

3-pin AC/DC input power socket

Connects the power module to an external power supply system using a power cable with a 3-pin plug.

NOTE:
The customer needs to prepare the power cable. The recommended conductor diameter of the power cable is 1.0 mm2.

2

Four 2-pin DC output power sockets

Connects the power module to a switch using a power cable with a 2-pin plug.

NOTE:
The customer needs to prepare the power cable. The recommended conductor diameter of the power cable is 1.0 mm2.

3

Output indicator (DC 56 V)

  • Steady on: The power output is normal.
  • Blinking green: The power module is in the output overvoltage or overcurrent protection state.
  • Off: The power output is abnormal or the power module is faulty.

Specifications

Table 5-24 lists the specifications of a 240 W AC power module.

Table 5-24 Specifications of a 240 W AC power module

Item

Description

Dimensions (H x W x D)

150 mm x 60 mm x 133 mm (6.14 in. x 2.36 in. x 5.24 in.)

Weight

1.47 kg

Input voltage range

AC: 100 V AC to 240 V AC, 50/60 Hz

DC: 100 V DC to 250 V DC

Input current

AC: 3 A

DC:
  • 100 V DC to 138 V DC: 2.5 A
  • 138 V DC to 250 V DC: 2 A

Output voltage range

54 V DC to 57 V DC

Rated output voltage

56 V DC

Maximum output power

  • PoE power: 220 W
  • Total power: 240 W
Part number 02131265
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Updated: 2019-08-19

Document ID: EDOC1000013597

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